Physics, 27.12.2019 04:31 cherishofomah04

Astring under a tension of 36 n is used to whirl a rock in a horizontal circle of radius 3.6 m at a speed of 16.12 m/s. the string is pulled in, and the speed of the rock increases. when the string is 0.468 m long and the speed of the rock is 75.1 m/s, the string breaks.

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Astring under a tension of 36 n is used to whirl a rock in a horizontal circle of radius 3.6 m at a...